<template>
	<div class="role-manage">
		<div class="query-form">
			<el-form ref="form" :inline="true" :model="queryForm">
				<el-form-item label="角色名称" prop="roleName">
					<el-input v-model="queryForm.roleName" placeholder="请输入角色名称" />
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="getRoleList">查询</el-button>
					<el-button @click="handleReset('form')">重置</el-button>
				</el-form-item>
			</el-form>
		</div>
		<div class="base-table">
			<div class="action">
				<el-button type="primary" @click="handleAdd">创建</el-button>
			</div>
			<el-table :data="roleList">
				<el-table-column
					v-for="item in columns"
					:key="item.prop"
					:prop="item.prop"
					:label="item.label"
					:width="item.width"
					:formatter="item.formatter"
				>
				</el-table-column>
				<el-table-column label="操作" width="260">
					<template #default="scope">
						<el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
						<el-button size="mini" type="primary" @click="handleOpenPermission(scope.row)"
							>设置权限</el-button
						>
						<el-button type="danger" size="mini" @click="handleDel(scope.row._id)">删除</el-button>
					</template>
				</el-table-column>
			</el-table>
			<el-pagination
				class="pagination"
				background
				layout="prev, pager, next"
				:total="pager.total"
				:page-size="pager.pageSize"
				@current-change="handleCurrentChange"
			/>
		</div>
		<el-dialog title="用户新增" v-model="showModal">
			<el-form ref="dialogForm" :model="roleForm" label-width="100px" :rules="rules">
				<el-form-item label="角色名称" prop="roleName">
					<el-input v-model="roleForm.roleName" placeholder="请输入角色名称" />
				</el-form-item>
				<el-form-item label="备注" prop="remark">
					<el-input type="textarea" :rows="2" v-model="roleForm.remark" placeholder="请输入备注" />
				</el-form-item>
			</el-form>
			<template #footer>
				<span class="dialog-footer">
					<el-button @click="handleClose">取 消</el-button>
					<el-button type="primary" @click="handleSubmit">确 定</el-button>
				</span>
			</template>
		</el-dialog>
		<!-- 权限弹框-->
		<el-dialog title="权限设置" v-model="showPermission">
			<el-form label-width="100px">
				<el-form-item label="角色名称">
					{{ curRoleName }}
				</el-form-item>
				<el-form-item label="选择权限">
					<el-tree
						ref="tree"
						:data="menuList"
						show-checkbox
						node-key="_id"
						default-expand-all
						:props="{label: 'menuName'}"
					>
					</el-tree>
				</el-form-item>
			</el-form>
			<template #footer>
				<span class="dialog-footer">
					<el-button @click="showPermission = false">取 消</el-button>
					<el-button type="primary" @click="handlePermissionSubmit">确 定</el-button>
				</span>
			</template>
		</el-dialog>
	</div>
</template>
<script>
import utils from "../utils/utils";
export default {
  name: "role",
  data() {
    return {
      queryForm: {
        roleName: ""
      },
      columns: [
        {
          label: "角色名称",
          prop: "roleName"
        },
        {
          label: "备注",
          prop: "remark"
        },
        {
          label: "权限列表",
          prop: "permissionList",
          width: 200,
          formatter: (row, column, value) => {
            const names = [];
            const list = [...value.checkedKeys, ...value.halfCheckedKeys] || [];
            // console.log(list)
            // console.log(this.actionMap)
            list.map((key) => {
              const name = this.actionMap[key];
              if (key && name) names.push(name);
            });
            return names.join(",");
          }
        },
        {
          label: "更新时间",
          prop: "updateTime",
          formatter(row, column, value) {
            return utils.formateDate(new Date(value));
          }
        },
        {
          label: "创建时间",
          prop: "createTime",
          formatter(row, column, value) {
            return utils.formateDate(new Date(value));
          }
        }
      ],
      roleList: [],
      pager: {
        total: 0,
        pageNum: 1,
        pageSize: 10
      },
      showModal: false,
      action: "create",
      roleForm: {},
      rules: {
        roleName: [
          {
            required: true,
            message: "请输入角色角色名称"
          }
        ]
      },
      // 权限展示
      showPermission: false,
      curRoleId: "",
      curRoleName: "",
      menuList: [],
      // 菜单映射表
      actionMap: {}
    };
  },
  mounted() {
    this.getRoleList();
    this.getMenuList();
  },
  methods: {
    // 角色列表初始化
    async getRoleList() {
      try {
        const { list, page } = await this.$api.getRoleList({
          ...this.queryForm,
          ...this.pager
        });
        this.roleList = list;
        this.pager.total = page.total;
      } catch (e) {
        throw new Error(e);
      }
    },
    // 菜单列表初始化
    async getMenuList() {
      try {
        const list = await this.$api.getMenuList();
        this.menuList = list;
        this.getActionMap(list);
      } catch (e) {
        throw new Error(e);
      }
    },
    // 表单重置
    handleReset(form) {
      this.$refs[form].resetFields();
    },
    // 角色添加
    handleAdd() {
      this.action = "create";
      this.showModal = true;
    },
    // 角色编辑
    handleEdit(row) {
      this.action = "edit";
      this.showModal = true;
      this.$nextTick(() => {
        this.roleForm = {
          _id: row._id,
          roleName: row.roleName,
          remark: row.remark
        };
      });
    },
    // 角色删除
    async handleDel(_id) {
      await this.$api.roleOperate({ _id, action: "delete" });
      this.$message.success("删除成功");
      this.getRoleList();
    },
    // 弹框关闭
    handleClose() {
      this.handleReset("dialogForm");
      this.showModal = false;
    },
    // 角色提交
    handleSubmit() {
      this.$refs.dialogForm.validate(async (valid) => {
        if (valid) {
          const { roleForm, action } = this;
          const params = { ...roleForm, action };
          const res = await this.$api.roleOperate(params);
          if (res) {
            this.showModal = false;
            this.$message.success("创建成功");
            this.handleReset("dialogForm");
            this.getRoleList();
          }
        }
      });
    },
    handleCurrentChange(current) {
      this.pager.pageNum = current;
      this.getRoleList();
    },
    handleOpenPermission(row) {
      this.curRoleId = row._id;
      this.curRoleName = row.roleName;
      this.showPermission = true;
      const { checkedKeys } = row.permissionList;
      setTimeout(() => {
        this.$refs.tree.setCheckedKeys(checkedKeys);
      });
    },
    async handlePermissionSubmit() {
      const nodes = this.$refs.tree.getCheckedNodes();
      const halfKeys = this.$refs.tree.getHalfCheckedKeys();
      const checkedKeys = [];
      const parentKeys = [];
      nodes.map((node) => {
        if (!node.children) {
          checkedKeys.push(node._id);
        } else {
          parentKeys.push(node._id);
        }
      });
      const params = {
        _id: this.curRoleId,
        permissionList: {
          checkedKeys,
          halfCheckedKeys: parentKeys.concat(halfKeys)
        }
      };
      await this.$api.updatePermission(params);
      this.showPermission = false;
      this.$message.success("设置成功");
      this.getRoleList();
    },
    getActionMap(list) {
      //   console.log(list)
      const actionMap = {};
      const deep = (arr) => {
        while (arr.length) {
          const item = arr.pop();
          //   console.log(item)
          if (item.menuType === 1) {
            actionMap[item._id] = item.menuName;
          }
          if (item.children) {
            actionMap[item._id] = item.menuName;
          }
          if (item.children) {
            deep(item.children);
          }
        }
      };
      deep(JSON.parse(JSON.stringify(list)));
      // deep(list);
      this.actionMap = actionMap;
      //   console.log("actionMap=>",actionMap)
    }
  }
};
</script>

<style lang="scss"></style>
